22 problem(s) found in 3179 milliseconds (displaying 22 problem(s)). [COMMENTDATE>=20200919 AND NOT K='Hilfsrückzüger' AND K='konsekutive Umwandlungen 2' AND K='Unterverwandlung im Schlüsselzug'] [download as LaTeX]
1. c8=L d5 2. b8=S d4 3. Sc6 d3 4. Se5 d2 5. Sg6+ Lxg6#
Keywords: konsekutive Umwandlungen 2, under-promotion (LS), under-promotion key
Genre: s#
Computer test: Gustav 4.1d, Brute Force
FEN: 3B4/1PP5/3p4/6rp/7k/8/p6P/rb5K
Input: Frank Müller, 2011-06-13
Last update: James Malcom, 2020-09-22 more...
Genre: s#
Computer test: Gustav 4.1d, Brute Force
FEN: 3B4/1PP5/3p4/6rp/7k/8/p6P/rb5K
Input: Frank Müller, 2011-06-13
Last update: James Malcom, 2020-09-22 more...
w) 1. h1=T a8=T 2. Ta1 Txa1=
s) 1. ... Lg1 hxg1=L 2. a8=S Lc5=
s) 1. ... Lg1 hxg1=L 2. a8=S Lc5=
Keywords: under-promotion (Tt,Sl), konsekutive Umwandlungen 2 (tT,lS), under-promotion key (in w)
Genre: Fairies
FEN: 2b5/PkPp4/1P1p4/3K1p2/2P2P2/4B3/7p/8
Input: Erich Bartel, 2013-04-20
Last update: Gunter Jordan, 2023-07-04 more...
Genre: Fairies
FEN: 2b5/PkPp4/1P1p4/3K1p2/2P2P2/4B3/7p/8
Input: Erich Bartel, 2013-04-20
Last update: Gunter Jordan, 2023-07-04 more...
1. g8=T! Kh2 2. b4 Kh1 3. b5 Kh2 4. b6 Kh1 7. b7 Kh2 6. b8=L Kh1 7. Dc6+ Lg2 8. Df3 Lxf3#
Keywords: konsekutive Umwandlungen 2 (TL), Excelsior white (L), under-promotion key (T)
Genre: s#
Computer test: Gustav 4.1d, Brute Force
FEN: K7/B5P1/7Q/8/8/7b/1P6/7k
Input: Frank Müller, 2015-04-26
Last update: Alfred Pfeiffer, 2020-10-15 more...
Genre: s#
Computer test: Gustav 4.1d, Brute Force
FEN: K7/B5P1/7Q/8/8/7b/1P6/7k
Input: Frank Müller, 2015-04-26
Last update: Alfred Pfeiffer, 2020-10-15 more...
1) 1. c8=S+ Ke6 2. g8=D+ Tf7 3. Sd6 Kf6 4. Se4+ Ke6 5. Dxg6+ Tf6 6. Ke8 Txg6 7. Dg8+ Txg8#
2) 1. c8=T Ke6 2. Te5+ Kd6 3. Txg5 Ke6 4. d5+ Kd6 5. Df6+ Te6 6. g8=D Txf6 7. Df8+ Txf8#
2) 1. c8=T Ke6 2. Te5+ Kd6 3. Txg5 Ke6 4. d5+ Kd6 5. Df6+ Te6 6. g8=D Txf6 7. Df8+ Txf8#
Keywords: Echo, Exchange of Promotions, under-promotion key, konsekutive Umwandlungen 2 (SD, TD), Checking key (in 1), Antiphönix, Promotion (D)
Genre: s#
FEN: 3K1Q2/2P1r1P1/3k2p1/2R3p1/3P2P1/8/8/8
Input: Frank Müller, 2015-07-03
Last update: Gunter Jordan, 2023-12-29 more...
Genre: s#
FEN: 3K1Q2/2P1r1P1/3k2p1/2R3p1/3P2P1/8/8/8
Input: Frank Müller, 2015-07-03
Last update: Gunter Jordan, 2023-12-29 more...
1. g8=L+! b3 2. Da1+ Lxa1 3. a8=D+ Kb2 4. Da4 g3 5. Lxb3 g4 6. Ld1 Kb1 7. Le2+ Kb2 8. Ke3 Kc3 9. Tb1! Lb2 10. Tc1+ Lxc1#
19.099 (Baumann) Zuerst soll der sLäufer in die gegenüberliegende Ecke gelenkt und dort blockiert werden, damit Weiß seinen Mattkäfig bauen kann. Die Unterverwandlung im Schlüsselzug erfolgt, weil der Läufer im Mattbild als Block gebraucht wird. 1.g8L+! b3 2.Da1+ L:a1 3.a8D+ Kb2 4.Da4 g3 (Das Matt auf c1 wird verhindert durch den wBe4! Ohne diesen Bauern geht: 5.Te1 g4 6.Te2 Kb1 7.Lh7+! Kb2 8.Kd1+ Kc3 9.Tc2+ b:c2+ 10.Kc1 Lb2 matt. Also Mattfeld e3!?: 5.Lc4? g4 6.Lf1 Kb1 7.Le2+ Kb2 8.Ke3 Kc2!; jetzt stört die Masse des sBb3, aber das lässt sich beheben) 5.L:b3 g4 6.Ld1 Kb1 7.Le2+ Kb2 8.Ke3 Kc3 9.Tb1! Lb2 10.Tc1+ L:c1 matt (4 P.). „Unterverwandlung im Schlüssel, Läuferlenkung, Phönix, Beseitigung hinderlicher Masse“ (Autor). „Nach der effektvollen Opferlenkung des sL nach a1 funktioniert das weiße Spiel perfekt wie ein Schweizer Uhrwerk“ (KR). „Der Clou liegt im Schlüsselzug: Auf 1.g8D+? würde 5.D:b3 mit Schachgebot erfolgen. Der schwächere Zug erweist sich letzten Endes als der Stärkere“ (KHS).
19.099 (Baumann) Zuerst soll der sLäufer in die gegenüberliegende Ecke gelenkt und dort blockiert werden, damit Weiß seinen Mattkäfig bauen kann. Die Unterverwandlung im Schlüsselzug erfolgt, weil der Läufer im Mattbild als Block gebraucht wird. 1.g8L+! b3 2.Da1+ L:a1 3.a8D+ Kb2 4.Da4 g3 (Das Matt auf c1 wird verhindert durch den wBe4! Ohne diesen Bauern geht: 5.Te1 g4 6.Te2 Kb1 7.Lh7+! Kb2 8.Kd1+ Kc3 9.Tc2+ b:c2+ 10.Kc1 Lb2 matt. Also Mattfeld e3!?: 5.Lc4? g4 6.Lf1 Kb1 7.Le2+ Kb2 8.Ke3 Kc2!; jetzt stört die Masse des sBb3, aber das lässt sich beheben) 5.L:b3 g4 6.Ld1 Kb1 7.Le2+ Kb2 8.Ke3 Kc3 9.Tb1! Lb2 10.Tc1+ L:c1 matt (4 P.). „Unterverwandlung im Schlüssel, Läuferlenkung, Phönix, Beseitigung hinderlicher Masse“ (Autor). „Nach der effektvollen Opferlenkung des sL nach a1 funktioniert das weiße Spiel perfekt wie ein Schweizer Uhrwerk“ (KR). „Der Clou liegt im Schlüsselzug: Auf 1.g8D+? würde 5.D:b3 mit Schachgebot erfolgen. Der schwächere Zug erweist sich letzten Endes als der Stärkere“ (KHS).
Henrik Juel: Popeye 4.61 with 'opt nichtt 0 1' found no flaws (2020-03-01)
Anton Baumann: C+ Gustav 4.0i (26 h) (2021-01-12)
comment
Anton Baumann: C+ Gustav 4.0i (26 h) (2021-01-12)
comment
Keywords: konsekutive Umwandlungen 2 (LD), corner to corner (l), under-promotion key (L), Phoenix (D)
Genre: s#
Computer test: Gustav 4.0i (26 h)
FEN: 7b/P5P1/8/6p1/1p2P1p1/8/k2K2P1/2Q4R
Input: Felber, Volker, 2020-03-01
Last update: James Malcom, 2021-01-12 more...
Genre: s#
Computer test: Gustav 4.0i (26 h)
FEN: 7b/P5P1/8/6p1/1p2P1p1/8/k2K2P1/2Q4R
Input: Felber, Volker, 2020-03-01
Last update: James Malcom, 2021-01-12 more...
6 - P1380850
Anatoly Stepochkin
3478 Variantim 81 08/2020
1. Lob
Israel Ring Tourney 2019-2020
Section s#5-n
(5+2) C+
s#9
Anatoly Stepochkin
3478 Variantim 81 08/2020
1. Lob
Israel Ring Tourney 2019-2020
Section s#5-n
(5+2) C+
s#9
1. d8=L! Kh5 2. Dh4+ Kg6 3. g8=D+ Kf5 4. Dhg3 Ke4 5. Lb6 Kf5 6. Kg7 Ke4 7. Kf8 Kf5 8. D8g4+ Kf6 9. Ld8+ Txd8#
Keywords: konsekutive Umwandlungen 2 (LD), Minimal (t), Miniature, under-promotion key (L)
Genre: s#
Computer test: Gustav 4.1d, Brute Force
FEN: 7K/3P2P1/6k1/8/5Q2/3r4/2B5/8
Input: Rainer Staudte, 2020-10-12
Last update: Marcin Banaszek, 2021-05-04 more...
Genre: s#
Computer test: Gustav 4.1d, Brute Force
FEN: 7K/3P2P1/6k1/8/5Q2/3r4/2B5/8
Input: Rainer Staudte, 2020-10-12
Last update: Marcin Banaszek, 2021-05-04 more...
7 - P1381700
A. H. Bobbins
154 American Chess Magazine Vol. 1, p. 443, 12/1897
(6+3)
=2 durch Schwarz
Black forces a draw in two moves
A. H. Bobbins
154 American Chess Magazine Vol. 1, p. 443, 12/1897
(6+3)
=2 durch Schwarz
Black forces a draw in two moves
1. ... c1=wL!
2. Sb1 axb1=wL! Patt
2. Db1+ axb1=B! Patt
2. Sb1 axb1=wL! Patt
2. Db1+ axb1=B! Patt
Keywords: Joke promotion, under-promotion key, konsekutive Umwandlungen 2 (LL, Lb), Dummy Pawn, Golden Age (Dummy Pawn)
Genre: Fairies
FEN: 8/P7/8/5B2/8/K1NQ4/pPp5/k7
Input: James Malcom, 2020-11-10
Last update: A.Buchanan, 2023-08-04 more...
Genre: Fairies
FEN: 8/P7/8/5B2/8/K1NQ4/pPp5/k7
Input: James Malcom, 2020-11-10
Last update: A.Buchanan, 2023-08-04 more...
Keywords: Miniature, under-promotion key (L), konsekutive Umwandlungen 2 (LS)
Genre: 3#
FEN: 5B2/5P1P/4P1k1/8/6K1/8/8/8
Input: Rainer Staudte, 2021-03-28
Last update: Rainer Staudte, 2021-03-28 more...
Genre: 3#
FEN: 5B2/5P1P/4P1k1/8/6K1/8/8/8
Input: Rainer Staudte, 2021-03-28
Last update: Rainer Staudte, 2021-03-28 more...
1. f2-f1=L Ld1xc2 2. Td2-d1+ Lc2xd1 3. c3-c2 Kc1-d2 4. c2-c1=L+ Kd2-e1 5. Lc1-f4 Ke1xf1 6. Lf4-h2 Ld1xf3#
Keywords: Minimal (L), under-promotion key (l), under-promotion (l), Promotions to bishops, konsekutive Umwandlungen 2 (ll), Antiphönix, Selfblock, Corner mate
Genre: h#
Computer test: Gustav 4.1c
FEN: 8/8/8/8/8/2pp1p2/2pr1p2/2KB3k
Input: Marcin Banaszek, 2021-07-16
Last update: Alfred Pfeiffer, 2022-02-02 more...
Genre: h#
Computer test: Gustav 4.1c
FEN: 8/8/8/8/8/2pp1p2/2pr1p2/2KB3k
Input: Marcin Banaszek, 2021-07-16
Last update: Alfred Pfeiffer, 2022-02-02 more...
1. c8=S! Ka6 2. Dxb6#
1. ... Kc6 2. Dxb6#
1. ... Kxc8 2. a8=D#
1. ... Ka8 2. Dg2#
1. ... Kc6 2. Dxb6#
1. ... Kxc8 2. a8=D#
1. ... Ka8 2. Dg2#
Keywords: X flights, under-promotion key (S), konsekutive Umwandlungen 2 (SD)
Genre: 2#
FEN: 4N3/PkP5/1b2K3/8/8/8/1Q6/8
Input: Rainer Staudte, 2021-09-15
Last update: Rainer Staudte, 2021-09-15 more...
Genre: 2#
FEN: 4N3/PkP5/1b2K3/8/8/8/1Q6/8
Input: Rainer Staudte, 2021-09-15
Last update: Rainer Staudte, 2021-09-15 more...
1. e1=S 2. Sd3 3. b1=L 4. Lba2 5. Sf4 6. Sg6 7. Lh7 8. Lag8 Lxf6#
Keywords: Seriesmover, konsekutive Umwandlungen 2 (sl), Minimal (L), Miniature, under-promotion B/S, under-promotion key, Line closing, Check Protection
Genre: Fairies
FEN: 6bk/8/5p2/4B3/4K3/8/1p2p3/8
Input: Alain Brobecker, 2021-12-24
Last update: Gunter Jordan, 2021-12-24 more...
Genre: Fairies
FEN: 6bk/8/5p2/4B3/4K3/8/1p2p3/8
Input: Alain Brobecker, 2021-12-24
Last update: Gunter Jordan, 2021-12-24 more...
1. c1=T a4 2. Th1 a5 3. Kf1 a6 4. Ke1 a7 5. Kd1 a8=D 6. Le1 Dxh1=
Keywords: Antiphönix, Asymmetrical solution, corner to corner (D), Excelsior white, Ideal stalemate, konsekutive Umwandlungen 2 (tD), Miniature, Minimal (B), Oneliner, Symmetrical position, Promotion (D), under-promotion (t), under-promotion key
Genre: Fairies
FEN: 8/8/8/8/8/8/PKpppbk1/8
Input: Gunter Jordan, 2022-01-28
Last update: Gunter Jordan, 2022-01-28 more...
Genre: Fairies
FEN: 8/8/8/8/8/8/PKpppbk1/8
Input: Gunter Jordan, 2022-01-28
Last update: Gunter Jordan, 2022-01-28 more...
1. b8=L 2. b7 3. Kb6 4. Ka7 5. Ka8 6. La7 7. b8=L!#
Meeraner, Urform, Themafiguren wB/L & wB/L
Erstdarstellung der Meeraner-Urform im Serienzugeigenmatt.
Meeraner, Urform, Themafiguren wB/L & wB/L
Erstdarstellung der Meeraner-Urform im Serienzugeigenmatt.
Keywords: discovered checkmate, Corner mate, Eigenmatt, konsekutive Umwandlungen 2 (LL), Meerane-Thema, Minimal (l), Model mate, Selfblock, Seriesmover, Symmetrical end position, Umnov, Promotions to bishops, under-promotion (L), under-promotion in mating move, under-promotion key
Genre: Fairies
Computer test: Gustav 4.1.a
FEN: 8/1P6/1Pb5/2K5/4k3/8/8/8
Input: Gunter Jordan, 2022-03-15
Last update: Gunter Jordan, 2022-03-15 more...
Genre: Fairies
Computer test: Gustav 4.1.a
FEN: 8/1P6/1Pb5/2K5/4k3/8/8/8
Input: Gunter Jordan, 2022-03-15
Last update: Gunter Jordan, 2022-03-15 more...
1. g8=L+ Ka1 2. Ld4 Kb1 3. Kb3 Ka1 4. Lc4 Kb1 5. Kc3 Ka1 6. Kd2 Kb1 7. Kd1 Ka1 8. Sc1 Kb1 9. Le2 bxc1=D#
1. ... Kb1 2. Lb3 Ka1 3. Ld4 Kb1 4. Ka3 Ka1 5. Sc5 Kb1 6. Sa4 Ka1 7. Lc3,Le3+ Kb1 8. Ld2 Ka1 9. Lb4 b1=S#
1. ... Kb1 2. Lb3 Ka1 3. Ld4 Kb1 4. Ka3 Ka1 5. Sc5 Kb1 6. Sa4 Ka1 7. Lc3,Le3+ Kb1 8. Ld2 Ka1 9. Lb4 b1=S#
Keywords: Miniature, Minimal (b), under-promotion key, Checking key, Promotion in the mating move, under-promotion in mating move, konsekutive Umwandlungen 2 (Ld,Ls)
Genre: r#
Computer test: V. Kotesovec: Alybadix
FEN: 8/B5P1/8/8/K7/3N4/kp6/8
Input: Rainer Staudte, 2022-09-15
Last update: Gunter Jordan, 2022-09-15 more...
Genre: r#
Computer test: V. Kotesovec: Alybadix
FEN: 8/B5P1/8/8/K7/3N4/kp6/8
Input: Rainer Staudte, 2022-09-15
Last update: Gunter Jordan, 2022-09-15 more...
15 - P1407283
Sergii I. Tkachenko
Andrey Frolkin
Leonid Lyubashevsky
H1530 Problemist Ukrainy 75 01-03/2023
(8+10) C+
h#4
Sergii I. Tkachenko
Andrey Frolkin
Leonid Lyubashevsky
H1530 Problemist Ukrainy 75 01-03/2023
(8+10) C+
h#4
1. d1=T Kc3 2. b1=S+! Kc2 3. Lc3 Kxd1 4. Kd3 Lxb1#
Keywords: Discovered check, Antiphönix, Remote selfblock, konsekutive Umwandlungen 2 (ts), Schnoebelen Theme (ts), under-promotion (ts), under-promotion key
Genre: h#
FEN: 8/3p4/1p1P4/1P6/1PK1k3/1P2P3/Bp1p1Pp1/b4nrb
Input: Gunter Jordan, 2023-01-15
Last update: Gunter Jordan, 2023-01-15 more...
Genre: h#
FEN: 8/3p4/1p1P4/1P6/1PK1k3/1P2P3/Bp1p1Pp1/b4nrb
Input: Gunter Jordan, 2023-01-15
Last update: Gunter Jordan, 2023-01-15 more...
1. a1=L Kg6 2. Ka2 Kf5 3. Lb2 Ke4 4. La3 Kd3 5. d1=T Kc2 6. Ta1 Ld5#
Yuri Bilokin: possibly wBg2-a4 8/7K/8/8/B7/8/pk1p4/8 (2+3) h#6
1.a1=B Kg6 2.Ka2 Kf5 3.Bb2 Ke4 4.Ba3 Kd3 5.d1=R+ Kc2 6.Ra1 Bb3# (IM)
Place exchange (bB/bK)
Promotion (rb)
Ideal mate (2023-01-22)
Henrik Juel: This is no ideal mate, as b3 is guarded both by Kc2 and Ld5 (2023-01-22)
Gerald Ettl: Hallo Henrik, bezüglich des Idealmatts: in seiner Version steht der wL zum Schluss auf b3. (2023-01-22)
comment
1.a1=B Kg6 2.Ka2 Kf5 3.Bb2 Ke4 4.Ba3 Kd3 5.d1=R+ Kc2 6.Ra1 Bb3# (IM)
Place exchange (bB/bK)
Promotion (rb)
Ideal mate (2023-01-22)
Henrik Juel: This is no ideal mate, as b3 is guarded both by Kc2 and Ld5 (2023-01-22)
Gerald Ettl: Hallo Henrik, bezüglich des Idealmatts: in seiner Version steht der wL zum Schluss auf b3. (2023-01-22)
comment
Keywords: konsekutive Umwandlungen 2 (lt), Minimal (L), Schlüssel = Eckzug, Selfblock, under-promotion (tl), under-promotion key
Genre: h#
Computer test: Gustav 4.1 i
FEN: 8/7K/8/8/8/8/pk1p2B1/8
Input: Gunter Jordan, 2023-01-19
Last update: Gunter Jordan, 2023-01-19 more...
Genre: h#
Computer test: Gustav 4.1 i
FEN: 8/7K/8/8/8/8/pk1p2B1/8
Input: Gunter Jordan, 2023-01-19
Last update: Gunter Jordan, 2023-01-19 more...
1. d8=S! ... 2. e8=S#
Keywords: konsekutive Umwandlungen 2 (SS), under-promotion key (S), Minimal (b), Miniature, under-promotion in mating move (S)
Computer test: Juel: Popeye 4.61
FEN: 8/3PP3/1NNk4/1K6/5n2/8/8/8
Input: Rainer Staudte, 2023-03-20
Last update: Dieter Berlin, 2023-10-29 more...
Computer test: Juel: Popeye 4.61
FEN: 8/3PP3/1NNk4/1K6/5n2/8/8/8
Input: Rainer Staudte, 2023-03-20
Last update: Dieter Berlin, 2023-10-29 more...
1) 1. ... b8=D+ 2. Kg4+ Df4+ 3. Kh5 Dd2 4. Le3 fxe3 5. Kg4 Dd1 6. Kg3 Dg1#
2) 1. ... b8=T 2. b2+ Txb2 3. d2+ Kxc2 4. d1=S Kd3 5. Se3 Te2 6. Sf5 Te4#
2) 1. ... b8=T 2. b2+ Txb2 3. d2+ Kxc2 4. d1=S Kd3 5. Se3 Te2 6. Sf5 Te4#
Yuri Bilokin: you can see 1.h2 b8=Q+ 2.Kg4+ Qf4+ 3.Kh3 Qe3 4.Bf6 Qxf3#
1.h2 b8=Q+ 2.Kg4+ Qf4+ 3.Kh3 Qe3 4.Be7 Qxf3#
1.h2 b8=Q+ 2.Kg4+ Qf4+ 3.Kh3 Qe3 4.Bd8 Qxf3#
1.Bf6 b8=Q+ 2.Kg4 Qxb3 3.h2 Qd5 4.Kh3 Qxf3# (2024-02-29)
comment
1.h2 b8=Q+ 2.Kg4+ Qf4+ 3.Kh3 Qe3 4.Be7 Qxf3#
1.h2 b8=Q+ 2.Kg4+ Qf4+ 3.Kh3 Qe3 4.Bd8 Qxf3#
1.Bf6 b8=Q+ 2.Kg4 Qxb3 3.h2 Qd5 4.Kh3 Qxf3# (2024-02-29)
comment
Keywords: Checking key (in 1), Promotion key (in 1), under-promotion key (in 2), under-promotion (ts in 2), konsekutive Umwandlungen 2 (ts in 2), bi-coloured Bristol (in 1), Cross check (in 1), Discovered check (in 1), selfpinning (in 1), Unpinning (in 1), Switchback (k in 1), Model mate (in 1), Exchange of Promotions
Genre: h#
FEN: 5n1n/1P6/8/6b1/5k1p/pppp1p1p/2p2P2/2K5
Input: Gunter Jordan, 2023-04-10
Last update: Felber, Volker, 2023-10-15 more...
Genre: h#
FEN: 5n1n/1P6/8/6b1/5k1p/pppp1p1p/2p2P2/2K5
Input: Gunter Jordan, 2023-04-10
Last update: Felber, Volker, 2023-10-15 more...
19 - P1409605
Reinhardt Fiebig
Eberhard Schulze
Problem-Forum 15/03/2014
(3+8) C+
h#5
0.1.1...
b) sSg7->h4
Reinhardt Fiebig
Eberhard Schulze
Problem-Forum 15/03/2014
(3+8) C+
h#5
0.1.1...
b) sSg7->h4
a) 1. ... a8=S 2. Tf2 Sb6 3. Tf7 exf7+ 4. Kd8 f8=S 5. Se8 Se6#
b) 1. ... a8=L 2. Sg6 Le4 3. Sf8 Lh7 4. Ta8 Lg8 5. Td8 Lf7#
b) 1. ... a8=L 2. Sg6 Le4 3. Sf8 Lh7 4. Ta8 Lg8 5. Td8 Lf7#
Keywords: under-promotion (SS,L), under-promotion key, Promotions to Knights (in a), konsekutive Umwandlungen 2 (SS in a), Twin, Model mate, Selfblock
Genre: h#
Computer test: Gustav 4.2
FEN: 4k3/P3p1n1/4P3/8/3p4/6pp/r5p1/6K1
Input: Eberhard Schulze, 2023-05-14
Last update: Gunter Jordan, 2023-06-28 more...
Genre: h#
Computer test: Gustav 4.2
FEN: 4k3/P3p1n1/4P3/8/3p4/6pp/r5p1/6K1
Input: Eberhard Schulze, 2023-05-14
Last update: Gunter Jordan, 2023-06-28 more...
1. a1=T e4 2. Ta2 e5 3. Ta1 exf6 4. Ta2 f7 5. Ta1 f8=D 6. Ta2 Dxf5#
Yuri Bilokin: you can see 1...e4 2.fxe4 Bc1 3.Ka1 Kc2 4.e3 Bb2#
1...e4 2.fxe4 Bc1 3.Ka1 Kc2 4.f5 Bb2#
1...Bc1 2.Ka1 e4 3.fxe4 Kc2 4.e3 Bb2#
1...Bc1 2.Ka1 e4 3.fxe4 Kc2 4.f5 Bb2# (2023-12-20)
comment
1...e4 2.fxe4 Bc1 3.Ka1 Kc2 4.f5 Bb2#
1...Bc1 2.Ka1 e4 3.fxe4 Kc2 4.e3 Bb2#
1...Bc1 2.Ka1 e4 3.fxe4 Kc2 4.f5 Bb2# (2023-12-20)
comment
Keywords: Pendulum (b/t), under-promotion (t), Promotion (D), konsekutive Umwandlungen 2 (tD), under-promotion key, Rückkehr nach Umwandlung
Genre: h#
Computer test: C+ Popeye 4.89
FEN: 8/8/5p2/p1p2p2/P1P2P2/PKP1P3/pB2P3/1k6
Input: Achim Schöneberg, 2023-12-12
Last update: Gunter Jordan, 2023-12-13 more...
Genre: h#
Computer test: C+ Popeye 4.89
FEN: 8/8/5p2/p1p2p2/P1P2P2/PKP1P3/pB2P3/1k6
Input: Achim Schöneberg, 2023-12-12
Last update: Gunter Jordan, 2023-12-13 more...
a) 1. ... c4 2. Dh2+ Kxh2 3. g3+ Kxh3 4. g2 c5 5. g1=T c6 6. Ta1 c7 7. Ta7 c8=D#
b) 1. ... c8=S 2. La7 Sd6 3. Sb6 Sxe8 4. Lg2+ Kg1 5. Lb7+ Kf1 6. Sd7 Ke2 7. Sb8 Sc7#
b) 1. ... c8=S 2. La7 Sd6 3. Sb6 Sxe8 4. Lg2+ Kg1 5. Lb7+ Kf1 6. Sd7 Ke2 7. Sb8 Sc7#
Yuri Bilokin: you can see b) 1.Ba7 c8=S 2.Sb6 Sd6 3.Bg2+ Kg1 4.Bb7+ Kf1 5.Sd7 Sxe8 6.Sb8 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Sa3 5.Sb7 Sb5 6.Ba7 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Sa3 5.Ba7 Sb5 6.Sb7 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Se3 5.Sb7 Sd5 6.Ba7 Sc7# (2024-02-18)
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1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Sa3 5.Sb7 Sb5 6.Ba7 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Sa3 5.Ba7 Sb5 6.Sb7 Sc7#
1.Sb4 c8=S 2.Sa6 Sd6 3.Sb8 Sc4 4.Sd6 Se3 5.Sb7 Sd5 6.Ba7 Sc7# (2024-02-18)
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Keywords: Corner mate, Smothered mate (in b), Excelsior white (in a), konsekutive Umwandlungen 2 (tD), Minimal (B), Model mate, Phoenix (in a), Rückkehr nach Umwandlung (in b), Round Trip (B/S in b), Selfblock, Promotion (D in a), Promotion in the mating move (in a), Exchange of Promotions, under-promotion (t,S), under-promotion key (in b)
Genre: h#
FEN: k3n3/8/8/3n4/5pp1/6qb/2P2b2/7K
Input: Gunter Jordan, 2024-02-13
Last update: Gunter Jordan, 2024-02-13 more...
Genre: h#
FEN: k3n3/8/8/3n4/5pp1/6qb/2P2b2/7K
Input: Gunter Jordan, 2024-02-13
Last update: Gunter Jordan, 2024-02-13 more...
22 - P1415229
Claus Grupen
Andreas Thoma
2015/60 Schach in Schleswig-Holstein 11/2015
2. ehrende Erwähnung
(2+5) C+
h#6
b) sLc2
Claus Grupen
Andreas Thoma
2015/60 Schach in Schleswig-Holstein 11/2015
2. ehrende Erwähnung
(2+5) C+
h#6
b) sLc2
a) 1. c1=L h4 2. Tg2 h5 3. Tg6 h6 4. Lg5 h7 5. Kg7 Kb2 6. Kh6 h8=D#
b) 1. Lg6 h4 2. Tf2 h5 3. Tf7 Kb2 4. a1=T hxg6 5. Th1 gxf7 6. Th7 f8=D#
b) 1. Lg6 h4 2. Tf2 h5 3. Tf7 Kb2 4. a1=T hxg6 5. Th1 gxf7 6. Th7 f8=D#
Keywords: corner to corner (t in b), Corner mate (in b), Entblockung, Excelsior white, Remote selfblock (2-fach in a), Forsberg Twins, konsekutive Umwandlungen 2 (lD,tD), Line opening, Minimal (B), Model mate, Selfblock (in b), Tempo Loss (in a), Tschumakow Theme, Promotion (D), Promotion in the mating move, under-promotion (l,t), under-promotion key (in a), Miniature
Genre: h#
Computer test: Gustav 4.1 a
FEN: 7k/8/8/8/8/1p6/prp4P/K7
Input: Gunter Jordan, 2024-02-21
Last update: Gunter Jordan, 2024-02-21 more...
Genre: h#
Computer test: Gustav 4.1 a
FEN: 7k/8/8/8/8/1p6/prp4P/K7
Input: Gunter Jordan, 2024-02-21
Last update: Gunter Jordan, 2024-02-21 more...
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